Add testcase for AvatarImageProvider.
Add testcase for AvatarImageProvider.

ccskoba/gitbucket,hilerchyn/gitbucket,mann-ed/gitbucket,nus/gitbucket,McFoggy/gitbucket,ssogabe/gitbucket,skohar/gitbucket,Pfiver/gitbucket,takuok/gitbucket,gencer/gitbucket,rabitarochan/gitbucket,tb280320889/TESTTB,doron123/gitbucket,JanWilliem/gitbucket,fbelzunc/gitbucket,moyfujii/gitbucket,snowgooseyk/gitbucket,KazukiOhashi/gitbucket,imeszaros/gitbucket,moyfujii/gitbucket,okumin/gitbucket,robinst/gitbucket,intermezzo-fr/gitbucket,indare/gitbucket,kounoike/gitbucket,tb280320889/TESTTB,chazmuzz/gitbucket,lefou/gitbucket,mrkm4ntr/gitbucket,snowgooseyk/gitbucket,imeszaros/gitbucket,DaniloAndrade/gitbucket,beni55/gitbucket,rabitarochan/gitbucket,uli-heller/gitbucket,otosan/gitbucket,CapeSepias/gitbucket,robinst/gitbucket,ccskoba/gitbucket,KazukiOhashi/gitbucket,FlYnN91/gitbucket,superhj1987/gitbucket,ccskoba/gitbucket,Peterinor/gitbucket,DaniloAndrade/gitbucket,swaldman/gitbucket,superhj1987/gitbucket,takuok/gitbucket,zhoffice/gitbucket,beni55/gitbucket,x-way/gitbucket,tb280320889/TESTTB,mann-ed/gitbucket,smly/gitbucket,shiena/gitbucket,snowgooseyk/gitbucket,dera0520/gitbucket,imeszaros/gitbucket,sekia556/gitbucket,moyfujii/gitbucket,noc06140728/gitbucket,odz/gitbucket,JanWilliem/gitbucket,mann-ed/gitbucket,yonglehou/gitbucket,yonglehou/gitbucket,s-takatsu/gitbucket,chazmuzz/gitbucket,dera0520/gitbucket,zhoffice/gitbucket,shiena/gitbucket,oho-sugu/gitbucket,kounoike/gitbucket,team-lab/gitbucket,mrkm4ntr/gitbucket,zhoffice/gitbucket,kkismd/gitbucket,nagase2/gitbucket,toshi-saito/gitbucket,marklacroix/gitbucket,chazmuzz/gitbucket,Pfiver/gitbucket,kkismd/gitbucket,intermezzo-fr/gitbucket,odz/gitbucket,ssogabe/gitbucket,McFoggy/gitbucket,superhj1987/gitbucket,chazmuzz/gitbucket,mrkm4ntr/gitbucket,gitbucket/gitbucket,fbelzunc/gitbucket,yonglehou/gitbucket,otosan/gitbucket,doron123/gitbucket,rantav/gitbucket,avldya/gitbucket,nobusugi246/gitbucket,okumin/gitbucket,intermezzo-fr/gitbucket,CapeSepias/gitbucket,skohar/gitbucket,mcveat/gitbucket,s-takatsu/gitbucket,swaldman/gitbucket,fbelzunc/gitbucket,sekia556/gitbucket,x-way/gitbucket,hilerchyn/gitbucket,hilerchyn/gitbucket,pinghe/gitbucket,team-lab/gitbucket,beni55/gitbucket,CapeSepias/gitbucket,nus/gitbucket,doron123/gitbucket,JanWilliem/gitbucket,sekia556/gitbucket,smly/gitbucket,nus/gitbucket,Pfiver/gitbucket,sekia556/gitbucket,KazukiOhashi/gitbucket,noc06140728/gitbucket,gencer/gitbucket,zhoffice/gitbucket,takezoe/gitbucket,kounoike/gitbucket,nobusugi246/gitbucket,DaniloAndrade/gitbucket,uli-heller/gitbucket,lefou/gitbucket,eiryu/gitbucket,kounoike/gitbucket,marklacroix/gitbucket,kkismd/gitbucket,doron123/gitbucket,kanmi/gitbucket,nobusugi246/gitbucket,pinghe/gitbucket,kanmi/gitbucket,team-lab/gitbucket,FlYnN91/gitbucket,oho-sugu/gitbucket,Peterinor/gitbucket,xuwei-k/gitbucket,dera0520/gitbucket,nagase2/gitbucket,nus/gitbucket,shiena/gitbucket,rantav/gitbucket,swaldman/gitbucket,robinst/gitbucket,CapeSepias/gitbucket,gencer/gitbucket,garygreen/gitbucket,hilerchyn/gitbucket,lefou/gitbucket,uli-heller/gitbucket,swaldman/gitbucket,xuwei-k/gitbucket,JanWilliem/gitbucket,eiryu/gitbucket,okumin/gitbucket,snowgooseyk/gitbucket,xuwei-k/gitbucket,eiryu/gitbucket,DaniloAndrade/gitbucket,garygreen/gitbucket,noc06140728/gitbucket,KazukiOhashi/gitbucket,Pfiver/gitbucket,gencer/gitbucket,kanmi/gitbucket,otosan/gitbucket,kanmi/gitbucket,mann-ed/gitbucket,rabitarochan/gitbucket,imeszaros/gitbucket,mcveat/gitbucket,takuok/gitbucket,tily/gitbucket2,ssogabe/gitbucket,garygreen/gitbucket,ssogabe/gitbucket,fbelzunc/gitbucket,moyfujii/gitbucket,nagase2/gitbucket,avldya/gitbucket,gitbucket/gitbucket,gitbucket/gitbucket,x-way/gitbucket,gitbucket/gitbucket,otosan/gitbucket,Peterinor/gitbucket,FlYnN91/gitbucket,mcveat/gitbucket,noc06140728/gitbucket,avldya/gitbucket,kkismd/gitbucket,indare/gitbucket,takezoe/gitbucket,odz/gitbucket,nobusugi246/gitbucket,superhj1987/gitbucket,nagase2/gitbucket,skohar/gitbucket,intermezzo-fr/gitbucket,x-way/gitbucket,tily/gitbucket2,yonglehou/gitbucket,rabitarochan/gitbucket,skohar/gitbucket,garygreen/gitbucket,shiena/gitbucket,avldya/gitbucket,lefou/gitbucket,Peterinor/gitbucket,xuwei-k/gitbucket,smly/gitbucket,oho-sugu/gitbucket,McFoggy/gitbucket,toshi-saito/gitbucket,dera0520/gitbucket,marklacroix/gitbucket,pinghe/gitbucket,uli-heller/gitbucket,tily/gitbucket2,team-lab/gitbucket,indare/gitbucket,s-takatsu/gitbucket,mrkm4ntr/gitbucket,beni55/gitbucket,FlYnN91/gitbucket,s-takatsu/gitbucket,rantav/gitbucket,takezoe/gitbucket,ccskoba/gitbucket,toshi-saito/gitbucket,McFoggy/gitbucket,indare/gitbucket,takezoe/gitbucket,pinghe/gitbucket,marklacroix/gitbucket